Ramli , Norlee, Oswatun Samat, Mohd Khairi Ismail, and Nor Shuhada Ahmad Shaupi. “Analysis of Production Factors for The Rubber Smallholder Sector in Malaysia”. Journal of Entrepreneurship and Business 9, no. 1 (June 30, 2021): 83–99. Accessed April 16, 2024. http://journal.umk.edu.my/index.php/jeb/article/view/419.